SA Supplements Vol 73 Issue 1886supp

SA Supplements

Volume 73, Issue 1886supp

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Features

Sir William Ramsay

Who Has Realized the Alchemists' Dream, the Transmutation of an Element

P. F. Mottelay

The Effect of Fillers in the Manufacture of Soaps

Some New Ingredients Recently Introduced

S. M. Bose

Japanese Writinǵ Accessories

Old Cedar Wood for Lead Pencils

The Hawke-Olympic Collision

Suction Between Ships Passing at Close Quarters

Percy A. Hislam

Precious Stones in 1911

A Vast Industry Dependent on a Demand for a Luxury

Geor*amp*gacute;e F. Kunz

The Production and Identification of Artificial Gems—II

How they are Made and how Distinguished from the Real

Noel Heaton

Curiosities in Needles

Fountain Pen Manufacture

How One and a Half Million Pens are Made Annually

Dou*amp*gacute;las T. Hamilton

Drawbridǵe in Constant Equilibrium without Counterweiǵht

A. Ramnekers, M. E. J. Gheury

The Archæoloǵy of Copper and its Alloys

Notes on the Early History of Metallurgy

Star Colors

A Method of Verifying Accurately the Crude Judgement of the Eye

C. H. Gin*amp*gacute;rich

Can the Lower Animals Renew their Youth?

Remarkable Regenerative Powers of Primitive Types

S. J. Holmes

The Cause of Hiǵh Prices

A Suggested Remedy : Bring the Consumer Nearer to the Producer

T. E. Burton

Trade Notes and Formulæ